779125823 has 12 divisors (see below), whose sum is σ = 913473792. Its totient is φ = 662558400.

The previous prime is 779125801. The next prime is 779125843. The reversal of 779125823 is 328521977.

779125823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-779125823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (779125843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56378 + ... + 68823.

It is an arithmetic number, because the mean of its divisors is an integer number (76122816).

Almost surely, 2^779125823 is an apocalyptic number.

779125823 is a deficient number, since it is larger than the sum of its proper divisors (134347969).

779125823 is a wasteful number, since it uses less digits than its factorization.

779125823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125342 (or 125335 counting only the distinct ones).

The product of its digits is 211680, while the sum is 44.

The square root of 779125823 is about 27912.8254213005. The cubic root of 779125823 is about 920.1723932614.

The spelling of 779125823 in words is "seven hundred seventy-nine million, one hundred twenty-five thousand, eight hundred twenty-three".